What does the climate’s best-case scenario look like?

Authors of this week’s UN climate assessment found that unless there are “immediate, rapid and large-scale reductions” in greenhouse gas emissions, the most ambitious climate targets will soon be out of reach. The report laid out a menu of five different future worlds, each corresponding with a different level of emissions. What would it actually look like to pick that most habitable world? The World’s Environment Correspondent Carolyn Beeler speaks with host Marco Werman about the massive, worldwide changes that would be required to get there.

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